Home / 11,939.73-17,903.43-5,360.28

Finding the Fourth Proportional to 11,939.73, 17,903.43 and 5,360.28

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Solution

The fourth proportional to 11,939.73, 17,903.43 and 5,360.28 is: 8,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.73 : 17,903.43 = 5,360.28 : x
  2. Step 2: Convert to fraction form
    11,939.73/17,903.43 = 5,360.28/x
  3. Step 3: Cross multiply
    11,939.73x = 17,903.43 × 5,360.28
  4. Step 4: Simplify right side
    11,939.73x = 95,967,330.62
  5. Step 5: Solve for x
    x = 95,967,330.62/11,939.73
  6. Step 6: Final answer
    x = 8,037.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.